All quickness antonyms

noun quickness

• sluggish — indisposed to action or exertion; lacking in energy; lazy; indolent: a sluggish disposition.
• slowness — moving or proceeding with little or less than usual speed or velocity: a slow train.
• clumsiness — awkward in movement or action; without skill or grace: He is very clumsy and is always breaking things.
• inability — lack of ability; lack of power, capacity, or means: his inability to make decisions.
• ineptness — without skill or aptitude for a particular task or assignment; maladroit: He is inept at mechanical tasks. She is inept at dealing with people.
• delay — If you delay doing something, you do not do it immediately or at the planned or expected time, but you leave it until later.